Power driven system

power ['paʊɚ]

n. [机]动力，功率;力量;政权，权力;强国，大国; vt. 运转;用发动机发动;使…有力量; vi. 靠动力行进;快速行进; adj. 权力的;机械能的，电动的;用电力（或动力）发动的;

driven ['drivən]

adj. 奋发努力的;发愤图强的;受…影响的;由…造成的; v. 驾驶（drive的过去分词）;

system ['sɪstəm]

n. 体系，系统;制度;身体;方法;

sy(syn-=together)+ste(to stand)→系统；体系；秩序；制度；方法

Hey, don't try to rip me off. I know what this is worth.

别想宰我，我识货。

Excuse me to have kept you waiting.

对不起让你就等了。

Next, if it is not a story, get an idea of the organization of the book. Read the back cover and the introduction. Look at the pictures and the short texts below them. Turn to the front of the book and look at the contents. This way you can decide whether

其次，如果不是故事书，你就要对书的篇章结构有所了解。看看目录。这样，你就可以判断这本书是否可能引起你的兴趣。如果是这样，你就可以断定哪几个部分最有用，最有趣。